Home / 20,068.54-27,691.86-11,113.84

Finding the Fourth Proportional to 20,068.54, 27,691.86 and 11,113.84

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Solution

The fourth proportional to 20,068.54, 27,691.86 and 11,113.84 is: 15,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.54 : 27,691.86 = 11,113.84 : x
  2. Step 2: Convert to fraction form
    20,068.54/27,691.86 = 11,113.84/x
  3. Step 3: Cross multiply
    20,068.54x = 27,691.86 × 11,113.84
  4. Step 4: Simplify right side
    20,068.54x = 307,762,901.34
  5. Step 5: Solve for x
    x = 307,762,901.34/20,068.54
  6. Step 6: Final answer
    x = 15,335.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.